#4EC278
Closest named color: Dark Mint (#48C072). oklch(72.9% 0.15 152.6), rgb(78, 194, 120).
Aa
Black text reads best on this color (9.31:1).
About this color
#4EC278 is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.150 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Mint (#48C072), ΔE 0.010 away. Black text reads best on it, at 9.31:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Dark Mint (#48C072) |
| Black text | 9.31:1 |
| White text | 2.25:1 |
Values
| HEX | #4EC278 |
| RGB | rgb(78, 194, 120) |
| HSL | hsl(142, 49%, 53%) |
| OKLCH | oklch(72.9% 0.15 152.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #4EC278 | 2.25:1 | Fails | Lc -48.9 | Large or bold text, headings |
| Black text on #4EC278 | 9.31:1 | AAA | Lc 59.8 | Large or bold text, headings |
| #4EC278 text on white | 2.25:1 | Fails | Lc 44.1 | Non-text elements, placeholder text |
| #4EC278 text on black | 9.31:1 | AAA | Lc -58.0 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 400.
-
Step 50
50
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DDEFE1
oklch(93.5% 0.027 152.4)
-
Step 200
200
#C0E4C9
oklch(88.6% 0.053 152.8)
-
Step 300
300
#91D3A3
oklch(81% 0.095 152.4)
-
Step 400
400 (this color)
#4EC278
oklch(72.9% 0.15 152.6)
-
Step 500
500
#00A456
oklch(63% 0.163 152.8)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#005F2F
oklch(42.5% 0.11 152.7)
-
Step 900
900
#005026
oklch(37.8% 0.099 152.3)
-
Step 950
950
#003014
oklch(27.1% 0.071 152.1)
#4EC278 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #C2B373 | 0.130 |
| Deuteranopia (no green cones) | #B3A87D | 0.128 |
| Tritanopia (no blue cones) | #27BFAF | 0.078 |
| Achromatopsia (no color) | #ADADAD | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4EC278
#4EC278
oklch(72.9% 0.15 152.6)
- #DE81D0
#DE81D0
oklch(72.9% 0.151 332.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #4EC278, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mint #48C072 ΔE 0.010
- Dark Mint Green #20C073 ΔE 0.025
- Soft Green #6FC276 ΔE 0.026
- Algae Green #21C36F ΔE 0.026
- Greenblue #23C48B ΔE 0.027
- Green Blue #01C08D ΔE 0.037
- Cool Green #33B864 ΔE 0.040
- Boring Green #63B365 ΔE 0.041
Use #4EC278 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.